499197654 has 20 divisors (see below), whose sum is σ = 1118572884. Its totient is φ = 166399164.

The previous prime is 499197641. The next prime is 499197661. The reversal of 499197654 is 456791994.

It is a happy number.

499197654 is a `hidden beast` number, since 499 + 1 + 97 + 65 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 499197654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1540572 + ... + 1540895.

Almost surely, 2^499197654 is an apocalyptic number.

499197654 is an abundant number, since it is smaller than the sum of its proper divisors (619375230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499197654 is a wasteful number, since it uses less digits than its factorization.

499197654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081481 (or 3081472 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 499197654 is about 22342.7315697969. The cubic root of 499197654 is about 793.2757503969.

The spelling of 499197654 in words is "four hundred ninety-nine million, one hundred ninety-seven thousand, six hundred fifty-four".